APA-viite (7. p.)
World Health Organization, ebrary, Inc, & Schmoll, O. (2006). Protecting groundwater for health: Managing the quality of drinking-water sources. IWA Pub..
Chicago-viite (17. p.)
World Health Organization, Inc ebrary, ja Oliver Schmoll. Protecting Groundwater for Health: Managing the Quality of Drinking-water Sources. London: IWA Pub., 2006.
MLA-viite (9. p.)
World Health Organization, et al. Protecting Groundwater for Health: Managing the Quality of Drinking-water Sources. IWA Pub., 2006.
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